FR80927E - Process for the preparation of novel optical sensitizing dyes and for sensitizing photographic emulsions by means of these dyes - Google Patents

Process for the preparation of novel optical sensitizing dyes and for sensitizing photographic emulsions by means of these dyes

Info

Publication number
FR80927E
FR80927E FR884835A FR884835A FR80927E FR 80927 E FR80927 E FR 80927E FR 884835 A FR884835 A FR 884835A FR 884835 A FR884835 A FR 884835A FR 80927 E FR80927 E FR 80927E
Authority
FR
France
Prior art keywords
dyes
sensitizing
preparation
novel optical
photographic emulsions
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR884835A
Other languages
French (fr)
Inventor
Henri Depoorter
Jean Marie Nys
Andre Emile Van Dormael
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gevaert Photo Producten NV
Original Assignee
Gevaert Photo Producten NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gevaert Photo Producten NV filed Critical Gevaert Photo Producten NV
Priority to FR884835A priority Critical patent/FR80927E/en
Application granted granted Critical
Publication of FR80927E publication Critical patent/FR80927E/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • G03C1/08—Sensitivity-increasing substances
    • G03C1/10—Organic substances
    • G03C1/12—Methine and polymethine dyes
    • G03C1/125—Phosphocyanines

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
FR884835A 1962-01-15 1962-01-15 Process for the preparation of novel optical sensitizing dyes and for sensitizing photographic emulsions by means of these dyes Expired FR80927E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR884835A FR80927E (en) 1962-01-15 1962-01-15 Process for the preparation of novel optical sensitizing dyes and for sensitizing photographic emulsions by means of these dyes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR884835A FR80927E (en) 1962-01-15 1962-01-15 Process for the preparation of novel optical sensitizing dyes and for sensitizing photographic emulsions by means of these dyes

Publications (1)

Publication Number Publication Date
FR80927E true FR80927E (en) 1963-07-05

Family

ID=8770475

Family Applications (1)

Application Number Title Priority Date Filing Date
FR884835A Expired FR80927E (en) 1962-01-15 1962-01-15 Process for the preparation of novel optical sensitizing dyes and for sensitizing photographic emulsions by means of these dyes

Country Status (1)

Country Link
FR (1) FR80927E (en)

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